162 results about "Nerve stimulators" patented technology

The present disclosure provides an implanted nerve stimulator electrode for an implanted nerve stimulation system, the implanted nerve stimulator electrode being adapted to be at least partially implanted into a human body and receiving an electrical signal from an implanted pulse generator to apply electrical stimulation to the human body. An implanted nerve stimulator electrode includes an elongate body, a plurality of wires, and at least one nerve stimulation contact structure. The nerve stimulation contact structure is in a hollow sleeve shape and is suitable for being arranged on the main body in a sleeving mode. Each nerve stimulation contact structure comprises at least two contacts, and when the nerve stimulation contact structures are arranged on the main body in a sleeving mode, each contact on the nerve stimulation contact structure is electrically connected with one corresponding wire. After the nerve stimulation contact structure provided by the invention is sleeved on the main body, an operator can weld the corresponding wire to the contact under the condition of no shielding or little shielding, so that the welding difficulty from the contact to the wire is reduced. And the production efficiency is improved.

The present invention relates to an electrical nerve stimulator configured to deliver an electrical signal to a user to entrain Mu-band neural oscillations and / or Beta-band neural oscillations. The electrical nerve stimulator may be used in the treatment of neurological conditions associated with desynchronization of neural oscillations, such as Tourette's syndrome. The electrical nerve stimulator may be wearable on a wrist of a user, and may be configured to deliver rhythmic stimulation at a frequency falling within the same frequency range of Mu-band or Beta-band neural oscillations. The invention provides a convenient means of treating conditions such as Tourette's syndrome without the need for specialist medical equipment or facilities. Also disclosed is a method of delivering an electrical signal to a user to entrain Mu-band neural oscillations and / or Beta-band neural oscillations.

A neurostimulation system may include an implantable neurostimulator. An implantable neurostimulator may include a first sensor configured to sense internal data relating to a symptom of a neurological movement disorder of a patient. An implantable neurostimulator may include an internal stimulator configured to provide an internal stimulation output to an internal target area of a patient. An implantable neurostimulator may include a first wireless communication device configured to communicate internal data with a network. A neurostimulation system may include a wearable neurostimulator. A wearable neurostimulator may include a second sensor configured to sense external data of a patient. A wearable neurostimulator may include an external stimulator configured to provide an external stimulation output to an external target area of a patient. A wearable neurostimulator may include a second wireless communication device configured to communicate external data with a network and receive internal data from the network.

The present invention relates to an electrical nerve stimulator configured to deliver an electrical signal to a user to entrain Mu-band neural oscillations and / or Beta-band neural oscillations. The electrical nerve stimulator may be used in the treatment of neurological conditions associated with desynchronization of neural oscillations, such as Tourette's syndrome. The electrical nerve stimulator may be wearable on a wrist of a user, and may be configured to deliver rhythmic stimulation at a frequency falling within the same frequency range of Mu-band or Beta-band neural oscillations. The invention provides a convenient means of treating conditions such as Tourette's syndrome without the need for specialist medical equipment or facilities. Also disclosed is a method of delivering an electrical signal to a user to entrain Mu-band neural oscillations and / or Beta-band neural oscillations.

The invention provides an implantable positioning stimulation device, and relates to the technical field of medical instruments. The implantable positioning stimulation device is used for being implanted into the body of a target object for a long time and comprises at least one electrode, each electrode comprises at least one contact, and each contact is a first contact used for collecting electroencephalogram signals or a second contact used for collecting cerebral blood flow signals; the nerve stimulator is configured to obtain an electroencephalogram signal and / or a cerebral blood flow signal, determine at least one lesion area according to the electroencephalogram signal and / or the cerebral blood flow signal, and determine stimulation information according to the at least one lesion area; and controlling the at least one contact to output a stimulation signal according to the stimulation information so as to perform nerve stimulation on the at least one lesion area. According to the embodiment of the invention, the positioning function of the lesion area can be realized, nerve stimulation can be carried out on the lesion area, the whole operation can be completed through one operation, the operation frequency is reduced, and the injury to a patient is reduced.

According to the flexible array type external field program control nerve stimulation device, the preparation method and the application thereof, the flexible array type external field program control nerve stimulation device comprises a flexible substrate layer and a stimulation response fiber array layer, and the stimulation response fiber array layer is prepared from a functional material capable of converting external field energy such as ultrasound, magnetism and light into electric energy; the flexible substrate layer with high flexibility is adopted, so that the flexible substrate layer can be matched with the surface of a nerve target tissue in a conformal manner; the stimulation response fiber array layer integrated on the flexible substrate layer in an array arrangement mode can meet the stimulation spatial resolution of neuron and even sub-neuron precision, has the characteristics of excellent flexibility, biocompatibility, passivity and wireless performance, can provide nerve electrical stimulation signals with high spatial resolution, and can be applied to the field of nerve electrical stimulation. The high-resolution nerve electrical stimulation device can be in conformal fit with the irregular surface of nerve soft tissue, and is suitable for high-resolution nerve electrical stimulation of different parts such as eyes, the brain and peripheral nerves.

A peripheral nerve stimulator to stimulate a peripheral nerve to treat essential tremor and other movement disorders, as well as overactive bladder, cardiac dysfunction and neurotransmitter dysfunction is provided. The peripheral nerve stimulator can be a noninvasive surface stimulator to provide multi-modal optimized therapy. Stimulation can be vibrational, electromechanical, thermal, radiant, electrical, magnetic, electromagnetic, light, mechanical, chemical, thermal, ultrasonic, radiofrequency (RF), acoustic, infrared, ultraviolet, x-ray, and / or microwave. Stimulation can be delivered using an open loop system and / or a closed loop system with feedback. Stimulation can be to one site or multiple sites.

The utility model discloses a charger and a charging system in the technical field of medical instruments, the charger is used for charging an implantable device, the implantable device is used for being implanted into the skull of a user, the implantable device comprises a receiving coil, the charger comprises a transmitting coil, the transmitting coil is used for being coupled with the receiving coil, and the receiving coil is used for receiving the transmitting coil. At least part of the transmitting coil is in an arc shape, and the arc shape is at least matched with the skull of the user. By adopting the transmitting coil adaptive to the radian of the human skull, the radian of the human skull and the shape of the nerve stimulator can be better matched, so that the distances from the surface of the receiving coil to the surface of the transmitting coil are equal everywhere in the receiving area, and the magnetic flux variation in the receiving area is improved; the coupling coefficient between the transmitting coil and the receiving coil is improved, and the induction voltage and current of the receiving coil are improved, so that the charging efficiency is improved.

The invention provides wireless energy supply equipment and a wireless energy supply method of a nerve stimulator. The wireless energy supply device comprises a transmitter used for transmitting energy supply electromagnetic waves to a nerve stimulator and improving the transmitting power of the energy supply electromagnetic waves; the impedance calculation unit is electrically connected with the transmitter; impedance calculation unit for monitoring a reflected impedance corresponding to the nerve stimulator according to an input current and an input voltage of the transmitter, maintaining the transmitter constant at a transmitting power corresponding to an initial impedance abrupt change point when the initial impedance abrupt change point is identified, and starting up the nerve stimulator obtained in advance the voltage is determined as a working voltage estimation value of the nerve stimulator, parameter configuration is executed, a state estimation value of the nerve stimulator is calculated according to a reflection impedance monitoring sequence corresponding to the nerve stimulator in the parameter configuration execution stage, and the transmitting power of the energy supply electromagnetic waves is controlled according to the state estimation value.

The invention discloses a head-mounted nerve stimulator capable of delaying and improving a cognitive function, and belongs to the technical field of brain nerve stimulation, the head-mounted nerve stimulator comprises a head-mounted earmuff worn on the head of a patient, one side of the middle part of the head-mounted earmuff is provided with an 808nm infrared light therapy device which is used for stimulating the brain of the patient and is adjustable in angle, and the other side of the head-mounted earmuff is provided with an infrared light source. A 40Hz light flickering device used for conducting visual stimulation on eyes of a patient is arranged in the eye protection device, and the device can stimulate the brain of the patient in the modes of 808nm infrared therapy, eye visual stimulation 40Hz light flickering, bone conduction accurate transmission 40Hz audio waves, transcranial magnetic stimulation and nasal olfactory stimulation. Gamma wave activity of the brain is promoted, cognitive performance, emotion balance and overall psychological health are improved, different stimulation effects are obtained through different stimulation modes, the clearing function of a brain lymphatic system is enhanced, brain performance of a patient is optimized, and sleep and cognition are greatly improved.

The utility model discloses a pulse generator and a nerve stimulator, and the pulse generator comprises a processor which is used for obtaining a waveform parameter to be output, and transmitting a waveform output control signal to a waveform generator according to the waveform parameter; and the waveform generator is connected with the processor and is used for respectively outputting multiple groups of independent pulse signals with different waveforms corresponding to the waveform parameters in different time periods according to the received waveform output control signal, and the pulse signals comprise high-frequency signals and low-frequency signals.

The invention discloses a minimally invasive flexible piezoelectric-triboelectric hybrid nanometer nerve stimulation device and application thereof.The middle layer of the nerve stimulation device is a PVDF / TMCM-MnCl3 composite nanofiber membrane, Au electrodes are evaporated on the two faces of the PVDF / TMCM-MnCl3 composite nanofiber membrane, two gold wire or copper wire electrodes are connected with the Au electrodes respectively, and the two gold wire or copper wire electrodes are connected with the Au electrodes respectively. The surface of the Au electrode is subjected to primary packaging by adopting a PU waterproof film, and the surface of the PU waterproof film is subjected to secondary packaging by adopting PDMS. The nerve stimulation device is used for conventional treatment of SIRS. The vagus nerve stimulator can generate an adjustable current up to 0.85 mA under programmable ultrasonic driving, and can be directly used for VNS. The PTNG is ultrasonically driven in vitro to assist the VNS in treating lipopolysaccharide-induced SIRS rats, release of inflammatory factors such as TNF-alpha, IFN-gamma and IL-1beta can be effectively reduced, cytokine storm is relieved, and multi-organ tissue damage and dysfunction are relieved, so that the survival hope is improved.

Techniques for addressing sleep disorders are provided. A system includes a nerve stimulator that is configured to deliver stimulation energy to a nerve of a sleeping patient. A system includes a sensor for gather data from the sleeping patient and a controller for processing the data. The controller is configured to cause the stimulation energy that is provided to be adjusted based on the sensed data.

The utility model relates to an ear vagus nerve stimulator, which comprises a base body, a first electrode and a second electrode which are connected to the base body, and a power supply circuit board arranged in the base body, each of the first electrode and the second electrode comprises a contact layer used for being in contact with the skin in the ear, a conductive film embedded in the inner side of the contact layer and a phase change material core wrapped in the conductive film, the contact layers are deformable and conductive, and the contact layers and the conductive films in the first electrode and the second electrode are electrically connected with the power supply circuit board. According to the ear vagus nerve stimulator, the first electrode and the second electrode are arranged to be of a multi-layer structure, and the shape of the phase change material core is changed by switching on and off the conductive film, so that the first electrode and the second electrode deform to be better matched with the ear cavity structure of a user, the wearing comfort is improved, and meanwhile, the proper electrical stimulation effect is ensured.

The present disclosure provides an electrode lead of an implantable nerve stimulator, the electrode lead configured to be at least partially implanted in a patient's body, the electrode lead comprising a body in an elongated shape, and a plurality of electrode contacts attached to the body, distributed at intervals in a longitudinal direction of the body, and configured to contact a target tissue in the patient's body, the system includes at least one electrode contact configured to deliver electrical stimulation to the target tissue, and a heater configured to heat the at least one electrode contact to deliver thermal stimulation to the target tissue through the at least one electrode contact. The thermal stimulation can block and interfere the transmission of a pain signal to the brain while reducing the nervous excitability by activating a specific neural pathway, so that the pain is more effectively relieved. The comfort of the patient is improved, and the treatment period is shortened.

The invention discloses an implant and a forming method thereof, a neural signal collector and a neural stimulator, and the implant comprises an electrode assembly which is provided with a plurality of connecting contacts; the probe assembly comprises a plurality of probes which are matched with the connecting contacts, and the probes are in separable electric contact with the corresponding connecting contacts; the limiting component is detachably connected with the probe and is used for limiting the position and the orientation of the probe; and the sealing layer is used for sealing the part, provided with the plurality of connecting contacts, of the electrode assembly and the limiting component. According to the invention, the implant can be detached, only the easily damaged part needs to be detached and replaced, the whole product does not need to be scrapped, and the production cost is effectively controlled.

The application provides a wireless and battery-free brain nerve stimulator and a preparation method. The brain nerve stimulator can be driven by a mobile phone loudspeaker, and a resonator designed can effectively amplify a piezoelectric signal. The brain nerve stimulator comprises two parts: a base provided with implantable nerve stimulation electrodes and a resonant cavity device connected through magnetic coupling. The design scheme of the brain nerve stimulator provides a general method for inhibiting epilepsy. The brain nerve stimulator can be extended to target brain deep layers or surface areas and peripheral nervous systems. A stimulation mode can be wirelessly transmitted and controlled. It is proved by electroencephalogram recording of free-moving mice that the wireless nerve stimulator can effectively relieve seizure events of the epileptic mice in vivo.

An apparatus (100) for training and assisting gait of a person, comprises: a sensor (112; 140; 150) configured for being arranged in relation to a foot or leg of the person for sensing input related to movement of the foot; a foot sole stimulator (120) for providing a foot stimulation electrical signal to the foot sole for stimulating a nociceptive withdrawal reflex; a peroneal nerve stimulator (130) for providing a peroneal nerve stimulation electrical signal to the peroneal nerve for stimulating activation of foot dorsiflexor muscle; wherein at least the foot sole stimulator (120) is configured to provide the foot stimulation electrical signal in dependence of the input sensed by the sensor (112; 140; 150); and wherein the apparatus (100) is configured to be operated in at least two different modes for selectively activating at least one of the foot sole stimulator (120) or the peroneal nerve stimulator (130).

The invention relates to a nerve stimulator, a control method of the nerve stimulator and a storage medium, and the nerve stimulator comprises a control unit which is used for controlling a signal generator; a signal generator for generating a stimulation signal, the energy of the stimulation signal satisfying an energy relationship, the energy relationship being accumulation of the charge with respect to time based on the waveform; and the output unit is used for outputting the stimulation signal. According to the application, the problem that the stimulation parameters of the stimulation equipment are easy to fail in adaptation is solved.

A non-invasive vagus nerve stimulation apparatus comprising a pair of headphones, a vagus nerve stimulator; one or more cardiac and / or brain activity sensors; and a controller; wherein the pair of headphones includes a pair of spaced apart ear-covering portions and a headband which connects the spaced apart ear-covering portions; the vagus nerve stimulator is carried by one of the ear-covering portions and includes a first arm which carries a cathode and a second arm which carries an anode; the or each cardiac and / or brain activity sensor senses activity within the body of a user and signals relating to the cardiac and / or brain activity are transmitted from the or each electrical activity sensor to the controller; and wherein the controller is carried by the pair of headphones, processes the signals relating to the sensed cardiac and / or brain activity and controls the vagus nerve stimulator to electrically stimulate the vagus nerve.

The invention relates to the field of medical equipment, in particular to a neck nerve stimulator, a neck nerve stimulation method and a computer readable storage medium, and the neck nerve stimulator comprises a position sensing unit which is used for obtaining neck position information; the energy output unit is used for outputting stimulation energy; the control unit is connected with the position sensing unit and the energy output unit and is used for determining the position of a neck nerve according to the neck position information output by the position sensing unit; the control unit is further used for controlling the energy output unit to output stimulation energy at the position where the neck nerves are located. Accurate positioning and precise stimulation of the neck nerves are achieved, and a common user can use the device conveniently.

The utility model relates to the technical field of medical equipment, and provides a nerve stimulation acupuncture needle, which comprises a needle seat, a needle core, a conductor wire, a needle core, a needle core, a needle core, a needle core, a needle core, a needle core, a needle core, a needle core, a needle core and a needle core, the needle core and the conductor wire are electrically connected, and the needle seat is of an insulating material structure; the cannula is provided with a through hole, the cannula is arranged on the needle base and the needle core in a sleeving mode through the through hole, and scale marks are arranged on the outer side wall of the cannula and used for displaying the insertion depth of the needle core; the needle base and the needle core are slidably arranged along the through hole, and scale reference marks are arranged at the positions, close to the scale marks, of the needle base. During use, the needle core is slowly inserted into the subcutaneous part of a patient, the sleeve abuts against the skin of the patient, and at the moment, the needle base slides along the through hole of the sleeve. The scale mark pointed by the scale reference mark on the needle seat is the current depth of the needle core inserted into the subcutaneous part of the patient, and the sleeve with the scales helps a doctor to master the insertion depth. Meanwhile, the nerve stimulation acupuncture needle can be connected into a nerve stimulator, and a target nerve is searched through the nerve stimulator.

The invention relates to a multi-current-source implantable nerve stimulator. The stimulator comprises a stimulation output circuit, a stimulation module and a control module, the stimulation output circuit comprises a configuration module and a plurality of current source modules; the current source module comprises a pull current source, a sink current source and a plurality of switches; the plurality of switches are respectively connected with the pull current source, the sink current source, a power supply end and a ground end; the stimulation module comprises a plurality of stimulation contacts, and at least part of the stimulation contacts are configured to be first-type stimulation contacts and second-type stimulation contacts with different polarities respectively so as to form a stimulation contact group; the stimulation module is connected with the current source module through the configuration module; the control module controls a switch in the current source module according to the combination type of the stimulation contact group, adopts different current output modes, and starts all or part of current sources connected with the stimulation contact group, so that the current pulse output efficiency is improved, and the power consumption of the stimulator is reduced.

The nerve stimulator comprises a central tube, connecting rings and electrode rings are alternately arranged on the two sides of the central tube respectively, a plug is arranged on one side of the electrode ring at the end, and the central tube is provided with a hollow inner cavity. According to the utility model, the central tube, the connecting ring and the electrode ring are connected and are self-contained, the consistency of the outer diameter size is good, and meanwhile, the electrode ring can be reliably positioned in the circumferential direction and the axial direction through the design of the grooves in the connecting ring and the electrode ring.

A peripheral nerve stimulator to stimulate a peripheral nerve to treat essential tremor and other movement disorders, as well as overactive bladder, cardiac dysfunction and neurotransmitter dysfunction is provided. The peripheral nerve stimulator can be a noninvasive surface stimulator to provide multi-modal optimized therapy. Stimulation can be vibrational, electromechanical, thermal, radiant, electrical, magnetic, electromagnetic, light, mechanical, chemical, thermal, ultrasonic, radiofrequency (RF), acoustic, infrared, ultraviolet, x-ray, and / or microwave. Stimulation can be delivered using an open loop system and / or a closed loop system with feedback. Stimulation can be to one site or multiple sites.

The present invention relates to the field of medical devices, and more particularly to a nerve stimulator and a manufacturing method thereof. The nerve stimulator includes a glass substrate, and a plurality of metal pillars are disposed on the substrate. The metal pillars form a stimulation part on one side of the substrate, and the density of the metal pillars is greater than 15 Pin / mm<supgt;2< / supgt;. The stimulation part in this nerve stimulator has a high density and good stimulation effect. Its manufacturing method is to first cut out an array of high-density metal pillars using a metal substrate, then fill it with glass, and finally make it through double-sided thinning. This manufacturing method has a novel process and a unique way, overcoming the defect that it is difficult to manufacture high-density nerve stimulation electrodes using other substrates such as ceramics in the traditional way.

Fig. 1.1 is a front view of a embodiment of a medical nerve stimulator; Fig. 1.2 is a back view thereof; Fig. 1.3 is a top view thereof; Fig. 1.4 is a bottom view thereof; Fig. 1.5 is a left side view thereof; Fig. 1.6 is a right side view thereof.

The invention discloses a vagus nerve stimulator, and relates to the field of medical equipment, and the vagus nerve stimulator comprises a flexible substrate, and an energy collection module, a sensing module and a pulse transmitting module which are all disposed on the flexible substrate. The energy collecting module is connected with the sensing module and the pulse transmitting module. The energy collection module and the sensing module are both wrapped on the left carotid artery; the energy collection module is used for converting mechanical energy generated by relaxation and contraction of the left carotid artery, the temperature difference between the interior of the human body and the skin surface, the temperature difference between the interior of the human body and the environment or chemical energy in the human body into electric energy. The sensing module is used for collecting left carotid artery pressure; the pulse transmitting module is used for generating electric pulses according to the left carotid artery pressure collected by the sensing module and conducting electric pulse stimulation on the left vagus nerve. According to the application, self-power supply is achieved, epilepsy is actively prevented, only the neck needs to be cut open, and the situation that the infection risk of a patient is increased due to double-incision wounds is avoided.